from tkinter import *

print ('Введите начальную координату X: ')
X= int(input())
print('Введите начальную кооординату Y: ')
Y= int(input())
print('Введите коэфицент увелечения N: ')
N= int(input())

coords = [0,0,10,0,10,10,20,10,20,20,0,20]

if N == 0 and X>=0 and X<=500 and Y>=0 and Y<=500 :
    pass
else:
       if N > 0 and 0*N+X>=0 and 0*N+Y>=0 and 20*N+X<=500 and 20*N+Y<=500 :
           pass
        else:
            if N < 0 and 20*N+X>=0 and 20*N+Y>=0 and 0*N+X<=500 and 20*N+Y<=500 :
                pass
            else:
                print('Рамер фигуры превышает максимальный размер поля')
                exit()
    root = Tk ()
    root. tittle("ИТ марафон")
    root. geometry("500x500")

    canvas = Canvas(bg="white", width=500, height=500)
    canvas. pack(anchor=CENTER, expand=1)

    canvas.create_polygon(coords[0] *N+X, coords[1] *N+Y,
                          coords[2]*N+X, coords[3] *N+Y,coords[4] *N+X, coords[5] *N+Y,coords[6] *N+X, coords[7] *N+Y,)
    coords[8] *N+X, coords[9] *N+Y,coords[10] *N+X, coords[11] *N+Y)
